| Revew | ViewSonic LX720-4K Smart 4K Laser ProjectorThe ViewSonic LX720-4K is a smart laser projector for home cinema with 4K UHD (3840x2160) resolution and HDR and HLG support. Its 3rd-generation Laser Phosphor light source delivers 3,500 ANSI lumens and a life of up to 30,000 hours in SuperEco mode, with no lamps to replace. Built-in Google TV with a native Netflix app streams content without an extra device, and 5GHz Wi-Fi allows screen casting. A 1.3x optical zoom, horizontal and vertical keystone and 4-corner adjustment make installation easier, while a built-in 10W speaker, Bluetooth audio output and HDMI ARC round out the sound options. 
Key features- 4K UHD with HDR - A 0.47-inch DMD chip at 3840x2160, HDR and HLG support, a 3,000,000:1 contrast ratio and 1.07 billion colors.
- Laser light source - 3rd-generation Laser Phosphor with a life of 20,000 hours in normal mode and up to 30,000 hours in SuperEco mode, with no lamp replacement.
- Big, bright picture - 3,500 ANSI lumens and an image size of 60 to 300 inches. A 100-inch image is projected from about 2.49 m.
- Built-in Google TV - Direct access to Netflix, YouTube, Disney+ and other services, 5GHz Wi-Fi for casting from a phone or laptop, and 8GB of internal storage.
- 1ms input lag for gaming - 1ms input lag with refresh rates of up to 240Hz at 1080p or up to 60Hz in 4K.
- Flexible installation and sound - 1.3x optical zoom, ±25° horizontal and vertical keystone and 4-corner adjustment. A 10W cube speaker, Bluetooth audio output, HDMI ARC and a USB-A port to power an external streaming device.
Specifications| Manufacturer | ViewSonic | | Model | LX720-4K | | Projection system | 0.47" 4K-UHD | | Native resolution | 3840x2160 (4K UHD) | | Brightness | 3,500 ANSI lumens | | Contrast ratio | 3,000,000:1 | | Light source | Laser Phosphor, 20,000 hours (normal), 30,000 hours (SuperEco) | | Lens | F=1.94-2.12, f=11.9-15.5mm, 1.3x optical zoom | | Throw ratio | 1.127-1.465 | | Image size | 60-300 inches | | Throw distance | 1.49-9.72 m (100 inches at 2.49 m) | | Keystone | H ±25°, V ±25°, 4-corner adjustment | | Input lag | 1ms | | Smart platform | Google TV, 8GB storage (4GB available) | | Wireless | 5GHz Wi-Fi, Bluetooth 5.0 (audio out) | | Connectivity | 2 x HDMI 2.0 (HDCP 2.2, one with ARC), 3.5 mm audio out, USB-A (5V/1.5A), RS-232 | | Speaker | 10W cube | | Power consumption | 143W | | Dimensions | 312 x 234 x 104 mm | | Weight | 3.5 kg |
In the box- ViewSonic LX720-4K projector
- Backlit Bluetooth remote control
- Power cord
- Quick start guide
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